<?php
ob_start();
session_start();
if ( !isset($_SESSION["admin"]) )
{
	ob_end_clean();
	ob_get_clean();
	header("HTTP/1.0 403 Forbidden");
	header("Content-Type: text/plain; charset=UTF-8");
	exit(0);
}
header("Content-Type: text/html; charset=UTF-8");
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="zh" xml:lang="zh">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>后台管理页面</title>
</head>
<body>
<br />
<center>
<div><img alt="hnust" width="400px" src="../images/acm.jpg" /></div>
<h1 style="color:purple">欢迎来到程序设计竞赛综合管理系统后台</h1>
</center>
</body>
</html>
